* {
  margin: 0;
  height: 0;
  box-sizing: border-box;
}

:root {
  --themeColor: #56c6f5;
}

body {

  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-message {
  position: relative;
  width: 100vw;
  height: 8vh;
  background: #e8e8e8;
  box-shadow: 1px 1px 0px #c5c5c5;
  display: flex;
  justify-content: flex-end;
  align-self: center;
}

.top-message .font {
  width: 15vw;
  height: 8vh;
  text-align: center;
  line-height: 8vh;
  color: var(--themeColor);
  font-size: 2.5em;
  font-weight: 800;
  cursor: pointer;
}

.top-message .left {
  position: absolute;
  left: 25vw;
}

.top-message .right {
  position: absolute;
  right: 25vw;
}

.top-message .logo {
  position: absolute;
  left: 35%;
  width: 30%;
  height: 8vh;
  line-height: 8vh;
  text-align: center;
}

.top-message .logo img {
  width: 10vw;
  height: 17vh;
}

.top-message .time {
  position: absolute;
  left: 0;
  height: 8vh;
  width: 10%;
  color: var(--themeColor);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.top-message .time div {
  width: 100%;
  height: 50%;
  text-align: center;
  line-height: 4vh;
  cursor: pointer;
}

.top-message .time .year {
  font-size: 25px;
  font-weight: 700;
}

.top-message .top-right {
  text-align: center;
  float: right;
  height: 8vh;
  width: 20%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.top-message .top-right .exit,
i {
  width: 19vw;
  height: 4vh;
  line-height: 4vh;
  transition: all 300ms;
  font-size: 20px;
}

.top-message .top-right i {
  font-size: 20px;
}

.top-message .top-right i:hover {
  color: var(--themeColor);
}

.top-message .top-right .exit:hover {
  color: var(--themeColor);
}

.main-message {
  width: 100vw;
  height: 88vh;
  /* position: relative; */
  display: flex;
  justify-content: flex-start;

}

.main-message .sidebar-box {
  width: 15vw;
  height: 88vh;
  background-color: var(--themeColor);
  box-shadow: 6px 6px 12px #c5c5c5;
  transition: all 300ms;
}

.main-message .rootSet ul li,
.main-message .stuSet ul li {
  color: #090909;
  width: 15vw;
  height: 8vh;
  font-size: 20px;
  background: #e8e8e8;
  border: 1px solid #e8e8e8;
  line-height: 8vh;
  padding-left: 2vh;
  transition: all 300ms;
  box-shadow: 6px 6px 12px #c5c5c5;
  cursor: pointer;
  overflow: hidden;
}

.main-message .sidebar-box .rootSet ul li:hover,
.main-message .sidebar-box .stuSet ul li:hover {
  color: var(--themeColor);
  box-shadow: inset 4px 4px 12px #c5c5c5, inset -4px -4px 12px #ffffff;
}

body .main-message .sidebar-box .rootSet ul li.active {
  color: var(--themeColor);
  box-shadow: inset 4px 4px 12px #c5c5c5, inset -4px -4px 12px #ffffff;
}

body .main-message .sidebar-box .stuSet ul li.active {
  color: var(--themeColor);
  box-shadow: inset 4px 4px 12px #c5c5c5, inset -4px -4px 12px #ffffff;
}

.iconfont:before {
  content: "\e626";
  margin-right: 20px;
}

.icon-icon_daohang_caidan::before {
  content: "\e665";
  float: left;
}

ul {
  list-style-type: none;
  padding-left: 0;
  margin-left: 0;
}

.right-box {
  height: 88vh;
  background-color: var(--themeColor);
  transition: all 300ms;
  padding: 2vh 2vw;
  box-shadow: 6px 6px 12px #c5c5c5;
}

iframe {
  height: 85vh;
  width: 80vw;
}